Finding the Fourth Proportional to 914,743.99, 1,372,334.01 and 315,710.38
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Solution
The fourth proportional to 914,743.99, 1,372,334.01 and 315,710.38 is: 473,640.82
Step by Step Solution
- Step 1: Write the proportion equation
914,743.99 : 1,372,334.01 = 315,710.38 : x - Step 2: Convert to fraction form
914,743.99/1,372,334.01 = 315,710.38/x - Step 3: Cross multiply
914,743.99x = 1,372,334.01 × 315,710.38 - Step 4: Simplify right side
914,743.99x = 433,260,091,784.02 - Step 5: Solve for x
x = 433,260,091,784.02/914,743.99 - Step 6: Final answer
x = 473,640.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.